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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-475.646137
Energy at 298.15K 
HF Energy-475.646137
Nuclear repulsion energy108.676969
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3060 3040 13.36 94.46 0.68 0.81
2 A1 2971 2952 30.51 224.78 0.00 0.00
3 A1 1519 1509 0.27 37.66 0.75 0.86
4 A1 1386 1377 1.40 8.85 0.21 0.35
5 A1 1057 1050 21.01 9.52 0.64 0.78
6 A1 632 628 3.24 13.88 0.18 0.30
7 A1 253 251 0.12 2.59 0.61 0.76
8 A2 3043 3023 0.00 14.80 0.75 0.86
9 A2 1498 1488 0.00 51.85 0.75 0.86
10 A2 958 951 0.00 9.64 0.75 0.86
11 A2 184 183 0.00 0.09 0.75 0.86
12 B1 3038 3018 39.34 109.54 0.75 0.86
13 B1 1507 1497 19.25 0.00 0.75 0.86
14 B1 994 988 12.85 8.23 0.75 0.86
15 B1 174 173 1.24 0.01 0.75 0.86
16 B2 3060 3040 4.55 51.77 0.75 0.86
17 B2 2973 2954 26.78 1.06 0.75 0.86
18 B2 1510 1501 22.70 0.13 0.75 0.86
19 B2 1363 1354 2.90 9.54 0.75 0.86
20 B2 924 918 0.80 3.49 0.75 0.86
21 B2 677 672 0.11 7.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16390.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 16283.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G*
ABC
0.56875 0.24219 0.18187

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.676
C2 0.000 1.408 -0.526
C3 0.000 -1.408 -0.526
H4 0.000 2.335 0.067
H5 0.000 -2.335 0.067
H6 0.902 1.385 -1.158
H7 -0.902 1.385 -1.158
H8 -0.902 -1.385 -1.158
H9 0.902 -1.385 -1.158

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.85181.85182.41342.41342.46902.46902.46902.4690
C21.85182.81671.10073.79041.10141.10143.00253.0025
C31.85182.81673.79041.10073.00253.00251.10141.1014
H42.41341.10073.79044.67061.79391.79394.01934.0193
H52.41343.79041.10074.67064.01934.01931.79391.7939
H62.46901.10143.00251.79394.01931.80363.30522.7698
H72.46901.10143.00251.79394.01931.80362.76983.3052
H82.46903.00251.10144.01931.79393.30522.76981.8036
H92.46903.00251.10144.01931.79392.76983.30521.8036

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 106.883 S1 C2 H6 110.878
S1 C2 H7 110.878 S1 C3 H5 106.883
S1 C3 H8 110.878 S1 C3 H9 110.878
C2 S1 C3 99.020 H4 C2 H6 109.105
H4 C2 H7 109.105 H5 C3 H8 109.105
H5 C3 H9 109.105 H6 C2 H7 109.915
H8 C3 H9 109.915
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.144      
2 C -0.682      
3 C -0.682      
4 H 0.209      
5 H 0.209      
6 H 0.200      
7 H 0.200      
8 H 0.200      
9 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.642 1.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.664 0.000 0.000
y 0.000 -23.912 0.000
z 0.000 0.000 -28.179
Traceless
 xyz
x -2.619 0.000 0.000
y 0.000 4.510 0.000
z 0.000 0.000 -1.891
Polar
3z2-r2-3.782
x2-y2-4.752
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.129 0.000 0.000
y 0.000 6.741 0.000
z 0.000 0.000 5.377


<r2> (average value of r2) Å2
<r2> 78.460
(<r2>)1/2 8.858